Whiskey mash is the mixture of grains, water, and yeast that is fermented to produce whiskey. The type of grain used will determine the type of whiskey produced, such as corn, rye, wheat, or barley. The mash is typically heated to a specific temperature and held there for a period of time, allowing the enzymes in the grains to convert the starches into sugars. The yeast is then added to the mash, and the fermentation process begins. During fermentation, the yeast consumes the sugars and produces alcohol and carbon dioxide.
Whiskey mash is an important part of the whiskey-making process, as it is responsible for the flavor and aroma of the final product. The type of grain used, the mashing temperature, and the fermentation time will all affect the final flavor of the whiskey. Whiskey mash has been used for centuries to produce whiskey, and it remains an important part of the process today.